Home / 51,138.41-76,719.69-16,078.07

Finding the Fourth Proportional to 51,138.41, 76,719.69 and 16,078.07

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Solution

The fourth proportional to 51,138.41, 76,719.69 and 16,078.07 is: 24,120.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,138.41 : 76,719.69 = 16,078.07 : x
  2. Step 2: Convert to fraction form
    51,138.41/76,719.69 = 16,078.07/x
  3. Step 3: Cross multiply
    51,138.41x = 76,719.69 × 16,078.07
  4. Step 4: Simplify right side
    51,138.41x = 1,233,504,738.00
  5. Step 5: Solve for x
    x = 1,233,504,738.00/51,138.41
  6. Step 6: Final answer
    x = 24,120.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.